Treadmill frame with visible cushion



FIG. 1 is a perspective view of a treadmill frame with visible cushion of the subject design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof, the right side elevational view being symmetric to the right side elevational view;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a perspective view showing the frame in a treadmill, wherein the broken line example of environmental structure is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for a treadmill frame with visible cushion, as shown. 